{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Population", "Treatment.Drug", "Treatment.Route", "Subject.Gender", "Combination.Drug", "Subject.Age", "Treatment.Freq", "Subject", "Treatment.Duration", "Subject.Disorder", "Effect", "Subject.Race", "Treatment", "Treatment.Disorder", "Treatment.Time_elapsed", "Treatment.Dosage"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Subject.Age", "Treatment.Drug", "Treatment.Duration", "Subject.Disorder", "Combination.Drug", "Treatment", "Subject.Gender", "Treatment.Dosage", "Subject.Population", "Treatment.Freq", "Effect", "Subject", "Treatment.Route"]}], "input": "We present a case of stroke after PPA ingestion that occurred 4 months after the recall in an 8-year-old boy on chronic peritoneal dialysis."}
{"adverse event": [{"trigger": "after ", "arguments": {"Subject.Population": "NAN", "Treatment.Drug": "PPA", "Treatment.Route": "NAN", "Subject.Gender": "boy", "Combination.Drug": "NAN", "Subject.Age": "8-year-old", "Treatment.Freq": "NAN", "Subject": "an 8-year-old boy on chronic peritoneal dialysis", "Treatment.Duration": "NAN", "Subject.Disorder": "NAN", "Effect": "stroke", "Subject.Race": "NAN", "Treatment": "PPA", "Treatment.Disorder": "NAN", "Treatment.Time_elapsed": "4 months", "Treatment.Dosage": "NAN"}}], "potential therapeutic event": []}